\[ r_global=\begin{bmatrix}1.0\\\end{bmatrix} \]

\[ models.0.v0=\begin{bmatrix}586.6797761917047&1507.4306206305605\\\end{bmatrix} \]

\[ models.0.J0=\begin{bmatrix}-0.10810889638225567&7.253454312133305\\7.253454312133305&-0.013352171512734252\\\end{bmatrix} \]

\[ models.0.w0=\begin{bmatrix}2.980581263185212&2.7984362470047657\\\end{bmatrix} \]

\[ models.0.r0=\begin{bmatrix}1.0327632185240883&1.0249030459455222\\\end{bmatrix} \]

\[ models.0.proton_config=\begin{bmatrix}3.0&1.0\\\end{bmatrix} \]

\[ models.0.freq=\begin{bmatrix}400.1300048828125\\\end{bmatrix} \]

\[ models.0.ppm0=\begin{bmatrix}1.46617&3.7674\\\end{bmatrix} \]

\[ metric\:before\:= -1.937563419342041, after = -7.546907901763916 \]